i am interested on the game, however i find no price or option to buy it i want to know which regions is this game on?

a few questions: - is guessing necessary to solve the levels? - what happens when you make a mistake? are there lives, puzzle reset or other nonsense? - is it possible to turn the timer off? - is it possible to turn the automatic crossing out of cells? thanks!...

Some of the 15x15 puzzles don't display well onscreen (1080p / high quality). And also, when you complete more levels it reaches a point where the puzzle sets 0 and 14 are of screen. Is there a 15 when I have completed set 14? Overall great game, just needs to tweak the display....

- there's no way to measure the length of a sequence of colored tiles (when you drag the mouse to color a line) - a row containing "1" and "1" next to each other can be easily read as "11"; maybe it's a good idea to increase the spacing between the numbers a bit? Not a bug, but a design feature: - because the game checks for corectness, currently there is no way to remove a colored tile if it happens to be a correct one (I marked a tile by mistake, without knowing that it was correct and I wasn't able to ...

Can I play with the gamepad or keyboard? If not, do you have the plan to support them?